DNA & Aging

steve at chambers.ak.planet.co.nz (Steve Chambers) writes:
> Low level radiation (which damages DNA) can _increase_ the lifespan of
> some animals.
> Survivors of the Atomic blasts at Nagasaki and Hiroshima were exposed
> to enormous levels of DNA damaging radiation. Yet they were found to
> "age" at the same rate as other matched-sample Japanese.
>Steve
Some people have speculated that radiation stimulates our defences against
radiation, kind of like germs stimulate our defences against germs,
I think Smith-Sonneborne dis some work with this( I probably mispelled
the name)
Kathy